Home / 35,346.21-48,778.44-19,430.64

Finding the Fourth Proportional to 35,346.21, 48,778.44 and 19,430.64

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Solution

The fourth proportional to 35,346.21, 48,778.44 and 19,430.64 is: 26,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.21 : 48,778.44 = 19,430.64 : x
  2. Step 2: Convert to fraction form
    35,346.21/48,778.44 = 19,430.64/x
  3. Step 3: Cross multiply
    35,346.21x = 48,778.44 × 19,430.64
  4. Step 4: Simplify right side
    35,346.21x = 947,796,307.40
  5. Step 5: Solve for x
    x = 947,796,307.40/35,346.21
  6. Step 6: Final answer
    x = 26,814.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.